Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Misc: pciendpointtest: Fixed the panic that occurs when calling pciendpointtestcopy,write,read The dmamapsingle function does not allow zero-length mappings. This causes a panic. A panic was reported on the arm64 architecture:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fixed the UB in overflowallocationtest. The 'devicename' array does not exist outside the 'overflowallocationtest' function scope. However, it is used as a driver name when calling 'kunitdrivercreate' from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint: pci-epf-test: Add a NULL check for DMA channels before releasing them. The fields dmachantx and dmachanrx of the struct pciepftest can be NULL even after EPF initialization. Therefore, it is prudent to check that...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix to correctly check the readonly condition. In the following case, it is possible to mount a multi-device image with the rw option. However, if one of the secondary devices is set as ro, subsequent updates will cause a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of UAF Use-After-Free was fixed by addressing the problem of decrementing sbi-nrpages in f2fswriteendio. The xfstests case “generic/107” and syzbot both reported a situation where a NULL pointer was dereferenced...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restricting xtcheckmatch/xtchecktarget extensions for NFPROTOARP Weiming Shi states that: The xtmatch and xttarget structures registered with NFPROTOUNSPEC can be loaded by any protocol family through nftcompa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Rejects unknown opcodes before processing by ICRC. Even after applying commit 7244491dab34 “RDMA/rxe: Validates padding and ICRC before payloadsize in rxercv”, a single unauthenticated UDP packet can still trigger a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate-ut: Fixed a kernel panic that occurred when loading the driver. After loading the amd-pstate-ut driver, the functions amdpstateutcheckperf and amdpstateutcheckfreq use cpufreqcpuget to obtain the CPU’s policy...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: i3c: master: mipi-i3c-hci: Fixed a kernel panic when accessing DATdata. The i3cmasterbusinit function may attach the I2C devices before the I3C bus initialization. In this case, the DAT allocentry will be used before the DAT init...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the tty module, for the serial subsystem, there is a issue where the uartlite driver is registered within the init function. When two instances of the uart device are being probed, a concurrency race may occur. If one thread...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: The WARNON1 message for malformed packets in the ACK filter has been removed. The schcake ACK filter parses packets to identify duplicate ACK messages if the flow is backlogged. The parsing code includes a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Misc: Microchip: PCI1xxxx – Resolve kernel panic during GPIO IRQ handling This issue resolves a kernel panic caused by improper handling of IRQs when accessing GPIO values. This is achieved by replacing the generichandleirq...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue where foreground garbage collection might be triggered during f2fsmapblocks in lfs mode. The issue occurs when the “mode=lfs” mount option is used; this can cause a system panic. ------------ Cut here...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: Do not assume adequate headroom for SDIO headers The function mt7921usbsdiotxprepareskb calls mt7921usbsdiowritetxwi and mt7921skbaddusbsdiohdr. Both functions blindly assume that adequate headroom will be available...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: qrtr: The MHI channel should start after the endpoint creation. The MHI channel may generate an event/interrupt right after enabling. This can lead to two race condition issues. 1. Such events may be dropped by the...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ARM: dts: exynos: Use Exynos5420 compatible for the MIPI video phy. For some reason, the driver that added support for the Exynos5420 MIPI phy back in 2016 was not applied to the Exynos5420 device, resulting in a kernel panic...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix handling of virtual Fibre Channel timeouts Hyper-V provides the ability to connect Fibre Channel LUNs to the host system and present them as SCSI devices in a guest VM. I/O to the vFC device is handled by the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fixed an issue with the data length underflow in SKB structures. A BUGON will be triggered in the include/linux/skbuff.h file, resulting in intermittent kernel panics when a data length underflow is detected. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: PCM: Fixed corruption of the wait queue list in sndpcmdrain for linked streams. sndpcmdrain uses initwaitqueueentry, which does not clear the prev/next entries of the queue. Additionally, it uses addwaitqueue, where a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not drop the extentmap for free space inode on a write error. While running the CI for an unrelated change, I encountered the following panic: with generic/648 on btrfsholesspacecache. Assertion failed: blockstart !=...